Home / 286,856.53-430,282.05-174,568.66

Finding the Fourth Proportional to 286,856.53, 430,282.05 and 174,568.66

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Solution

The fourth proportional to 286,856.53, 430,282.05 and 174,568.66 is: 261,851.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,856.53 : 430,282.05 = 174,568.66 : x
  2. Step 2: Convert to fraction form
    286,856.53/430,282.05 = 174,568.66/x
  3. Step 3: Cross multiply
    286,856.53x = 430,282.05 × 174,568.66
  4. Step 4: Simplify right side
    286,856.53x = 75,113,760,890.55
  5. Step 5: Solve for x
    x = 75,113,760,890.55/286,856.53
  6. Step 6: Final answer
    x = 261,851.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.